英语词汇“molybdenum”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

　

单词	molybdenum
释义	Trends of molybdenum View usage for: molybdenum in British English (mɒˈlɪbdɪnəm) noun a very hard ductile silvery-white metallic element occurring principally in molybdenite: used mainly in alloys, esp to harden and strengthen steels. Symbol: Mo; atomic no: 42; atomic wt: 95.94; valency: 2–6; relative density: 10.22; melting pt: 2623°C; boiling pt: 4639°C Word origin C19: from New Latin, from Latin molybdaena galena, from Greek molubdaina, from molubdos lead molybdenum in American English (məˈlɪbdənəm) noun a very hard, lustrous, silver-white metallic chemical element, used in alloys, pointsfor spark plugs, etc.: symbol, Mo; at. no., 42 Word origin ModL: so named (1781) by K. W. Scheele (see scheelite) after its isolation by P. J. Hjelm (1746-1813), Swed chemist < molybdaena, molybdenite, term used because of resemblance to lead ore < L molybdaena, lead, galena < Gr molybdaina, piece of lead < molybdos, lead Examples of 'molybdenum' in a sentence molybdenum About eighteen per cent nickel, plus cobalt, titanium and molybdenum. Adam, Paul A NASTY DOSE OF DEATH (1996) They'd do an open pit operation on the molybdenum deposits up there. Tony Hillerman THE FALLEN MAN (1996) Word lists with molybdenum chemical
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更新时间：2025/2/3 14:32:26